Fabricated small box girder bridge reinforcing support

The utility model discloses an assembly type small box girder bridge reinforcing support, and belongs to the technical field of bridge structure reinforcing. Comprising a reinforcing component and an anchoring part used for anchoring the reinforcing component between box girders, the reinforcing component comprises a gusset plate, a connecting plate and H-shaped steel, one end of the connecting plate is in threaded connection with the connecting plate, the other end of the connecting plate is inserted into an H-shaped steel web groove and is in threaded connection with an H-shaped steel web, and the end, connected with the anchoring part, of the H-shaped steel is connected and fixed through a bolt. One end of the H-shaped steel is anchored on the web plate of the box girder through the anchoring part, and the other end of the H-shaped steel is fixed on the gusset plate through the connecting plate, so that a reinforcing structure is formed, the box girders are supported, the bending-resistant and shearing-res